A PHP Error was encountered

Severity: Warning

Message: file_get_contents(./asset/upload/course/course_1474870953.pdf:,ok): failed to open stream: No such file or directory

Filename: controllers/Course.php

Line Number: 108

Backtrace:

File: /home/icc/public_html/application/controllers/Course.php
Line: 108
Function: file_get_contents

File: /home/icc/public_html/index.php
Line: 292
Function: require_once

A PHP Error was encountered

Severity: Notice

Message: Undefined index: HTTP_REFERER

Filename: controllers/Course.php

Line Number: 110

Backtrace:

File: /home/icc/public_html/application/controllers/Course.php
Line: 110
Function: _error_handler

File: /home/icc/public_html/index.php
Line: 292
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home/icc/public_html/system/core/Exceptions.php:272)

Filename: helpers/url_helper.php

Line Number: 561

Backtrace:

File: /home/icc/public_html/application/controllers/Course.php
Line: 110
Function: redirect

File: /home/icc/public_html/index.php
Line: 292
Function: require_once